释义 |
pi·cene I. \ˈpīˌsēn\ adjective Usage: usually capitalized Etymology: Latin picenus of Picenum, from Picenum, ancient Roman province in eastern central Italy : picenian II. noun (-s) Usage: capitalized : a native or inhabitant of ancient Picenum III. noun (-s) Etymology: International Scientific Vocabulary pic- (from Latin pic-, pix pitch) + -ene : a fluorescent crystalline hydrocarbon C22H14 obtained from the pitchy residue of petroleum or lignite tar; benzo-chrysene |